Proto-Semitic root

*rVdVʾ-

‘pursue’ 1, ‘help’ 2

di Mino’s gloss: to help, assist; pursue

In Linear A1 entry

RI-DA-URidāyuRidāyu 'Helper, Escort' (personal name, hypocoristic)SpeculativeSemitic13D

Notes

PS *rdˀ ‘to drive, to follow; to help’ (Kogan–Krebernik 2021a 380 apud SEDonline 2134). LGz. 462 keeps radʾa I ‘help’ apart from radʾa II ‘pursue’ (Akk. redû, Ass. radāʾu). Arabic radiʾa ‘be bad’ is 911.

Reflexes4 languages

Arabic1

Arabicradaʾa ‘he helped, aided, or assisted, him’ 2 (Lane 1064)taraddaʾū ‘they helped, aided, or assisted, one another’ 2 (Lane 1065)

Epigraphic South Arabian1

Epigraphic South ArabianSab hrdʾ 2 (SD 114; Biella 480)rdʾ, trdʾ 2 (SD 115; Biella 480)gloss withheld

Ethiopic and Modern South Arabian2

Geezradʾa 1 (LGz. 462)radʾa 2 (LGz. 462)gloss withheldAnderson–Moser 2024 root rdʾ
Soqotriródi (LS 394; SLOnline 27682)gloss withheld

† Gloss withheld: the cited dictionary’s licence is closed, so its form and page stand without its gloss.